diff --git a/lib/assets/sitemapper.js b/lib/assets/sitemapper.js
index 8128c63..48fec18 100644
--- a/lib/assets/sitemapper.js
+++ b/lib/assets/sitemapper.js
@@ -1,2 +1,2 @@
-"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=void 0;var _xml2js=require("xml2js"),_got=_interopRequireDefault(require("got")),_zlib=_interopRequireDefault(require("zlib")),_url=_interopRequireDefault(require("url")),_path=_interopRequireDefault(require("path")),_pLimit=_interopRequireDefault(require("p-limit"));function _interopRequireDefault(a){return a&&a.__esModule?a:{default:a}}function asyncGeneratorStep(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){return void c(a)}h.done?b(i):Promise.resolve(i).then(d,e)}function _asyncToGenerator(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){function f(a){asyncGeneratorStep(h,d,e,f,g,"next",a)}function g(a){asyncGeneratorStep(h,d,e,f,g,"throw",a)}var h=a.apply(b,c);f(void 0)})}}class Sitemapper{constructor(a){var b=a||{requestHeaders:{}};this.url=b.url,this.timeout=b.timeout||15e3,this.timeoutTable={},this.requestHeaders=b.requestHeaders,this.debug=b.debug,this.concurrency=b.concurrency||10,this.retries=b.retries||0}fetch(){var a=arguments,b=this;return _asyncToGenerator(function*(){var c=0<a.length&&a[0]!==void 0?a[0]:b.url,d={url:"",sites:[],errors:[]};try{d=yield b.crawl(c)}catch(a){b.debug&&console.error(a)}return{url:c,sites:d.sites||[],errors:d.error||[]}})()}static get timeout(){return this.timeout}static set timeout(a){this.timeout=a}static set url(a){this.url=a}static get url(){return this.url}static set debug(a){this.debug=a}static get debug(){return this.debug}parse(){var a=arguments,b=this;return _asyncToGenerator(function*(){var c=0<a.length&&a[0]!==void 0?a[0]:b.url,d={method:"GET",resolveWithFullResponse:!0,gzip:!0,responseType:"buffer",headers:b.requestHeaders};try{var e=(0,_got.default)(c,d);b.initializeTimeout(c,e);var f=yield e;if(!f||200!==f.statusCode)return clearTimeout(b.timeoutTable[c]),{error:f.error,data:f};var g=b.isGzip(c)?yield b.decompressResponseBody(f.body):f.body;var h=yield(0,_xml2js.parseStringPromise)(g);return{error:null,data:h}}catch(a){return"CancelError"===a.name?{error:"Request timed out after ".concat(b.timeout," milliseconds for url: '").concat(c,"'"),data:a}:{error:a.error,data:a}}})()}initializeTimeout(a,b){this.timeoutTable[a]=setTimeout(()=>b.cancel(),this.timeout)}crawl(a){var b=arguments,c=this;return _asyncToGenerator(function*(){var d=1<b.length&&b[1]!==void 0?b[1]:0;try{var{error:k,data:l}=yield c.parse(a);if(clearTimeout(c.timeoutTable[a]),k)return d<c.retries?(c.debug&&console.log("(Retry attempt: ".concat(d+1," / ").concat(c.retries,") ").concat(a," due to ").concat(l.name," on previous request")),c.crawl(a,d+1)):(c.debug&&console.error("Error occurred during \"crawl('".concat(a,"')\":\n\r Error: ").concat(k)),{sites:[],errors:[{type:l.name,url:a,retries:d}]});if(l&&l.urlset&&l.urlset.url){c.debug&&console.debug("Urlset found during \"crawl('".concat(a,"')\""));var m=l.urlset.url.map(a=>a.loc&&a.loc[0]);return{sites:m,errors:[]}}if(l&&l.sitemapindex){c.debug&&console.debug("Additional sitemap found during \"crawl('".concat(a,"')\""));var e=l.sitemapindex.sitemap.map(a=>a.loc&&a.loc[0]),f=(0,_pLimit.default)(c.concurrency),g=e.map(a=>f(()=>c.crawl(a))),h=yield Promise.all(g),i=h.filter(a=>0==a.errors.length).reduce((a,b)=>a.concat(b.sites),[]),j=h.filter(a=>a.errors).reduce((a,b)=>a.concat(b.errors),[]);return{sites:i,errors:j}}return d<c.retries?(c.debug&&console.log("(Retry attempt: ".concat(d+1," / ").concat(c.retries,") ").concat(a," due to ").concat(l.name," on previous request")),c.crawl(a,d+1)):(c.debug&&console.error("Unknown state during \"crawl('".concat(a,")'\":"),k,l),{sites:[],errors:[{url:a,type:l.name||"UnknownStateError",retries:d}]})}catch(a){c.debug&&c.debug&&console.error(a)}})()}getSites(){var a=arguments,b=this;return _asyncToGenerator(function*(){var c=0<a.length&&a[0]!==void 0?a[0]:b.url,d=1<a.length?a[1]:void 0;console.warn("\r\nWarning:","function .getSites() is deprecated, please use the function .fetch()\r\n");var e={},f=[];try{var g=yield b.fetch(c);f=g.sites}catch(a){e=a}return d(e,f)})()}isGzip(a){var b=_url.default.parse(a),c=_path.default.extname(b.path);return".gz"===c}decompressResponseBody(a){return new Promise((b,c)=>{var d=Buffer.from(a);_zlib.default.gunzip(d,(a,d)=>{a?c(a):b(d)})})}}exports.default=Sitemapper,module.exports=exports.default,module.exports.default=exports.default;
+"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=void 0;var _xml2js=require("xml2js"),_got=_interopRequireDefault(require("got")),_zlib=_interopRequireDefault(require("zlib")),_url=_interopRequireDefault(require("url")),_path=_interopRequireDefault(require("path")),_pLimit=_interopRequireDefault(require("p-limit"));function _interopRequireDefault(a){return a&&a.__esModule?a:{default:a}}function asyncGeneratorStep(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){return void c(a)}h.done?b(i):Promise.resolve(i).then(d,e)}function _asyncToGenerator(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){function f(a){asyncGeneratorStep(h,d,e,f,g,"next",a)}function g(a){asyncGeneratorStep(h,d,e,f,g,"throw",a)}var h=a.apply(b,c);f(void 0)})}}class Sitemapper{constructor(a){var b=a||{requestHeaders:{}};this.url=b.url,this.timeout=b.timeout||15e3,this.timeoutTable={},this.requestHeaders=b.requestHeaders,this.debug=b.debug,this.concurrency=b.concurrency||10,this.retries=b.retries||0}fetch(){var a=arguments,b=this;return _asyncToGenerator(function*(){var c=0<a.length&&a[0]!==void 0?a[0]:b.url,d={url:"",sites:[],errors:[]};try{d=yield b.crawl(c)}catch(a){b.debug&&console.error(a)}return{url:c,sites:d.sites||[],errors:d.error||[]}})()}static get timeout(){return this.timeout}static set timeout(a){this.timeout=a}static set url(a){this.url=a}static get url(){return this.url}static set debug(a){this.debug=a}static get debug(){return this.debug}parse(){var a=arguments,b=this;return _asyncToGenerator(function*(){var c=0<a.length&&a[0]!==void 0?a[0]:b.url,d={method:"GET",resolveWithFullResponse:!0,gzip:!0,responseType:"buffer",headers:b.requestHeaders};try{var e=(0,_got.default)(c,d);b.initializeTimeout(c,e);var f=yield e;if(!f||200!==f.statusCode)return clearTimeout(b.timeoutTable[c]),{error:f.error,data:f};var g=b.isGzip(c)?yield b.decompressResponseBody(f.body):f.body;var h=yield(0,_xml2js.parseStringPromise)(g);return{error:null,data:h}}catch(a){return"CancelError"===a.name?{error:"Request timed out after ".concat(b.timeout," milliseconds for url: '").concat(c,"'"),data:a}:{error:"Error occurred: ".concat(a.name),data:a}}})()}initializeTimeout(a,b){this.timeoutTable[a]=setTimeout(()=>b.cancel(),this.timeout)}crawl(a){var b=arguments,c=this;return _asyncToGenerator(function*(){var d=1<b.length&&b[1]!==void 0?b[1]:0;try{var{error:k,data:l}=yield c.parse(a);if(clearTimeout(c.timeoutTable[a]),k)return d<c.retries?(c.debug&&console.log("(Retry attempt: ".concat(d+1," / ").concat(c.retries,") ").concat(a," due to ").concat(l.name," on previous request")),c.crawl(a,d+1)):(c.debug&&console.error("Error occurred during \"crawl('".concat(a,"')\":\n\r Error: ").concat(k)),{sites:[],errors:[{type:l.name,url:a,retries:d}]});if(l&&l.urlset&&l.urlset.url){c.debug&&console.debug("Urlset found during \"crawl('".concat(a,"')\""));var m=l.urlset.url.map(a=>a.loc&&a.loc[0]);return{sites:m,errors:[]}}if(l&&l.sitemapindex){c.debug&&console.debug("Additional sitemap found during \"crawl('".concat(a,"')\""));var e=l.sitemapindex.sitemap.map(a=>a.loc&&a.loc[0]),f=(0,_pLimit.default)(c.concurrency),g=e.map(a=>f(()=>c.crawl(a))),h=yield Promise.all(g),i=h.filter(a=>0==a.errors.length).reduce((a,b)=>a.concat(b.sites),[]),j=h.filter(a=>a.errors.length).reduce((a,b)=>a.concat(b.errors),[]);return{sites:i,errors:j}}return d<c.retries?(c.debug&&console.log("(Retry attempt: ".concat(d+1," / ").concat(c.retries,") ").concat(a," due to ").concat(l.name," on previous request")),c.crawl(a,d+1)):(c.debug&&console.error("Unknown state during \"crawl('".concat(a,")'\":"),k,l),{sites:[],errors:[{url:a,type:l.name||"UnknownStateError",retries:d}]})}catch(a){c.debug&&c.debug&&console.error(a)}})()}getSites(){var a=arguments,b=this;return _asyncToGenerator(function*(){var c=0<a.length&&a[0]!==void 0?a[0]:b.url,d=1<a.length?a[1]:void 0;console.warn("\r\nWarning:","function .getSites() is deprecated, please use the function .fetch()\r\n");var e={},f=[];try{var g=yield b.fetch(c);f=g.sites}catch(a){e=a}return d(e,f)})()}isGzip(a){var b=_url.default.parse(a),c=_path.default.extname(b.path);return".gz"===c}decompressResponseBody(a){return new Promise((b,c)=>{var d=Buffer.from(a);_zlib.default.gunzip(d,(a,d)=>{a?c(a):b(d)})})}}exports.default=Sitemapper,module.exports=exports.default,module.exports.default=exports.default;
 //# sourceMappingURL=sitemapper.js.map
\ No newline at end of file
diff --git a/sitemapper.d.ts b/sitemapper.d.ts
index 7c4c521..b0be714 100644
--- a/sitemapper.d.ts
+++ b/sitemapper.d.ts
@@ -1,7 +1,7 @@
 export interface SitemapperResponse {
-    url: string;
-    sites: string[];
-    errors: SitemapperErrorData[];
+  url: string;
+  sites: string[];
+  errors: SitemapperErrorData[];
 }
 
 export interface SitemapperErrorData {
@@ -11,26 +11,26 @@ export interface SitemapperErrorData {
 }
 
 export interface SitemapperOptions {
-    url?: string;
-    timeout?: number;
-    requestHeaders?: {[name: string]: string};
-    debug?: boolean;
-    concurrency?: number;
-    retries?: number;
+  url?: string;
+  timeout?: number;
+  requestHeaders?: {[name: string]: string};
+  debug?: boolean;
+  concurrency?: number;
+  retries?: number;
 }
 
 declare class Sitemapper {
 
-    timeout: number;
+  timeout: number;
 
-    constructor(options: SitemapperOptions)
+  constructor(options: SitemapperOptions)
 
-    /**
-     * Gets the sites from a sitemap.xml with a given URL
-     *
-     * @param url URL to the sitemap.xml file
-     */
-    fetch(url?: string): Promise<SitemapperResponse>;
+  /**
+   * Gets the sites from a sitemap.xml with a given URL
+   *
+   * @param url URL to the sitemap.xml file
+   */
+  fetch(url?: string): Promise<SitemapperResponse>;
 }
 
 export default Sitemapper;
diff --git a/src/assets/sitemapper.js b/src/assets/sitemapper.js
index c6d86f0..56e9b5f 100644
--- a/src/assets/sitemapper.js
+++ b/src/assets/sitemapper.js
@@ -192,7 +192,7 @@ export default class Sitemapper {
 
       // Otherwise notify of another error
       return {
-        error: error.error,
+        error: `Error occurred: ${error.name}`,
         data: error
       };
     }
@@ -279,7 +279,7 @@ export default class Sitemapper {
           .filter(result => (result.errors.length == 0))
           .reduce((prev, curr) => prev.concat(curr.sites), []);
         const errors = results
-          .filter(result => result.errors)
+          .filter(result => result.errors.length)
           .reduce((prev, curr) => prev.concat(curr.errors), []);
 
         return {
diff --git a/src/tests/test.es5.js b/src/tests/test.es5.js
index 00985c5..e5e535b 100644
--- a/src/tests/test.es5.js
+++ b/src/tests/test.es5.js
@@ -79,6 +79,7 @@ describe('Sitemapper', function () {
       sitemapper.fetch(url)
         .then(data => {
           data.sites.should.be.Array;
+          data.errors.should.be.Array;
           done();
         })
         .catch(error => {
diff --git a/src/tests/test.js b/src/tests/test.js
index 3d89cf5..9ad20f2 100644
--- a/src/tests/test.js
+++ b/src/tests/test.js
@@ -77,9 +77,12 @@ describe('Sitemapper', function () {
     it('gibberish.gibberish should fail silently with an empty array', function (done) {
       this.timeout(30000);
       const url = 'http://gibberish.gibberish';
+      sitemapper.debug = true;
       sitemapper.fetch(url)
         .then(data => {
           data.sites.should.be.Array;
+          data.errors.should.be.Array;
+          console.log(data);
           done();
         })
         .catch(error => {
@@ -130,6 +133,8 @@ describe('Sitemapper', function () {
       sitemapper.fetch(url)
         .then(data => {
           data.sites.should.be.Array;
+          data.errors.should.be.Array;
+          console.log(data);
           done();
         })
         .catch(error => {
@@ -187,6 +192,7 @@ describe('Sitemapper', function () {
       sitemapper.fetch(url)
         .then(data => {
           data.sites.should.be.Array;
+          data.errors.should.be.Array;
           data.sites.length.should.be.greaterThan(0);
           done();
         })